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maria [59]
3 years ago
5

Astronomy is the discipline in science that studies

Biology
2 answers:
svetoff [14.1K]3 years ago
7 0
Astronomy is the scientific study of celestial objects. (Such as stars, planets, comets, and galaxies)
alex41 [277]3 years ago
6 0

That is correct the answer is A for PLATO users

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The answer is b. Both of them are characterized by selective permeability.

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